We could not reason out the way the robbers escaped，because we were unable to find any ________ of them.

The sentence doesn’t make any             , no matter how you read it.

Sometimes, the _____ of humor in this country causes misunderstanding in other countries.

In 21st century universities in the US, there is little room for traditional literature because students feel a lot of         to study science.

I would like to buy a house which has a(n) ____over the sea.